Question

There are five different types of bottles in a wine cellar. How many ways can four bottles be chosen from the cellar?

Answer 1

120 WAYS

Answer 2

Number of ways of choosing 4 bottles = Number of ways of leaving 1 bottle behind

Answer 3

5c4=5*4*3*2=120

Answer 4

you're using permutation formula
but this question is about choosing bottles - so its a combination problem

Answer 5

yes combination problem.

Answer 6

it is confusing me.tell me how to do this simple problem

Answer 7

So we have 5 bottles,
tell me how many ways you can leave one bottle behind ?

Answer 8

p5=5!
4 bottles to be chosen=4*3!/5!

Answer 9

forget about formulas for few minutes, okay ?

Answer 10

see if you can answer my previous question